diff --git a/docs/index.html b/docs/index.html
index 93e7cef..7bb1d5b 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -68,11 +68,11 @@
             <option value="s2022">Summer 2022</option>
             <option value="sp2022">Spring 2022</option>
             <option value="f2021">Fall 2021</option>
-            <option value="f2021">Summer 2021</option>
-            <option value="f2021">Spring 2021</option>
-            <option value="f2021">Fall 2020</option>
-            <option value="f2021">Summer 2020</option>
-            <option value="f2021">Spring 2020</option>
+            <option value="s2021">Summer 2021</option>
+            <option value="sp2021">Spring 2021</option>
+            <option value="f2020">Fall 2020</option>
+            <option value="s2020">Summer 2020</option>
+            <option value="sp2020">Spring 2020</option>
           </select>
           <br><br>
         </form>